Home / 31,747.40-47,624.64-13,026.68

Finding the Fourth Proportional to 31,747.40, 47,624.64 and 13,026.68

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Solution

The fourth proportional to 31,747.40, 47,624.64 and 13,026.68 is: 19,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.40 : 47,624.64 = 13,026.68 : x
  2. Step 2: Convert to fraction form
    31,747.40/47,624.64 = 13,026.68/x
  3. Step 3: Cross multiply
    31,747.40x = 47,624.64 × 13,026.68
  4. Step 4: Simplify right side
    31,747.40x = 620,390,945.40
  5. Step 5: Solve for x
    x = 620,390,945.40/31,747.40
  6. Step 6: Final answer
    x = 19,541.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.